The Net Force Acting on an Object Is Zero

question 58

Multiple Choice

The net force acting on an object is zero.You can therefore definitely conclude that the object is

• A)at rest.
• B)moving in a straight line at constant speed.
• C)moving in a circle at constant speed.
• D)undergoing acceleration.
• E)either at rest or moving in a straight line at constant speed.

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Definitions:

Cardiac Output

The volume of blood the heart pumps through the circulatory system in one minute, an important measure of heart function.

Subclavian Arteries

Major arteries on either side of the body that supply blood to the arms, brain, and thorax.

Vertebral Arteries

Arteries that supply blood to the upper spinal cord, brainstem, and the posterior portion of the brain.

Thyrocervical Arteries

A group of arteries that arise from the thyrocervical trunk and supply blood to the thyroid gland and surrounding areas.